lib/solrizer/extractor.rb in solrizer-1.0.2 vs lib/solrizer/extractor.rb in solrizer-1.0.3

@@ -26,12 +26,19 @@
     end
     return solr_doc
   end
   
   # Strips the majority of whitespace from the values array and then joins them with a single blank delimitter
-  # @param [Array] values Array of strings representing the values returned 
+  # Returns an empty string if values argument is nil
+  #
+  # @param [Array] values Array of strings representing the values to be formatted
+  # @return [String] 
   def self.format_node_value values
-    values.map{|val| val.gsub(/\s+/,' ').strip}.join(" ")
+    if values.nil?
+      return ""
+    else
+      return values.map{|val| val.gsub(/\s+/,' ').strip}.join(" ")
+    end
   end
   
   # Instance Methods
   
   # Alias for Solrizer::Extractor#insert_solr_field_value